Trim plate cover for ventilation units



FIG. 1 is a perspective view of the trim plate cover for ventilation units, showing my new design;

FIG. 2 is an end view of the trim plate cover, the opposite end being a mirror image of that shown;

FIG. 3 is a front view of the trim plate cover;

FIG. 4 is a side view of the trim plate cover, the opposite side being a mirror image of that shown; and,

FIG. 5 is a back view of the trim plate cover.

The broken line showing of environmental structure in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for trim plate cover for ventilation units, as shown and described. 